Rotation Worksheet

**Page 3**

21.

What is the measure of rotation about the point B?

a. | 290° | ||

b. | 20° | ||

c. | 110° | ||

d. | 70° |

Mark points P and P'.

Join the points to B and measure the angle of rotation.

The angle of rotation is observed as 70°.

Correct answer : (4)

22.

Which of the following is the rotational image of the given figure?

a. | Figure 2 | ||

b. | Figure 4 | ||

c. | Figure 4 | ||

d. | Fihure 3 |

The figures 1, 2 and 3 are not the rotational images of the given figure.

[Rotation does not change orientation.]

Figure 4 matches with the given figure and is obtained as a result of rotating it.

So, figure 4 is the correct answer.

Correct answer : (3)